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DE60327674D1 - Lateral backlight device for a display device - Google Patents

Lateral backlight device for a display device

Info

Publication number
DE60327674D1
DE60327674D1 DE60327674T DE60327674T DE60327674D1 DE 60327674 D1 DE60327674 D1 DE 60327674D1 DE 60327674 T DE60327674 T DE 60327674T DE 60327674 T DE60327674 T DE 60327674T DE 60327674 D1 DE60327674 D1 DE 60327674D1
Authority
DE
Germany
Prior art keywords
display device
lateral backlight
lateral
backlight device
display
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE60327674T
Other languages
German (de)
Inventor
Junji Miyashita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Citizen Electronics Co Ltd
Original Assignee
Citizen Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Citizen Electronics Co Ltd filed Critical Citizen Electronics Co Ltd
Application granted granted Critical
Publication of DE60327674D1 publication Critical patent/DE60327674D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Light Guides In General And Applications Therefor (AREA)
DE60327674T 2002-03-08 2003-02-25 Lateral backlight device for a display device Expired - Lifetime DE60327674D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002064571A JP2003262734A (en) 2002-03-08 2002-03-08 Light guide plate

Publications (1)

Publication Number Publication Date
DE60327674D1 true DE60327674D1 (en) 2009-07-02

Family

ID=27751296

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60327674T Expired - Lifetime DE60327674D1 (en) 2002-03-08 2003-02-25 Lateral backlight device for a display device

Country Status (5)

Country Link
US (1) US6731355B2 (en)
EP (1) EP1343027B1 (en)
JP (1) JP2003262734A (en)
CN (2) CN1444077A (en)
DE (1) DE60327674D1 (en)

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Also Published As

Publication number Publication date
CN100570208C (en) 2009-12-16
CN1444077A (en) 2003-09-24
US6731355B2 (en) 2004-05-04
US20030169584A1 (en) 2003-09-11
CN101109494A (en) 2008-01-23
EP1343027B1 (en) 2009-05-20
EP1343027A1 (en) 2003-09-10
JP2003262734A (en) 2003-09-19

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Legal Events

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